#pragma once

#include<stdio.h>
#include<unistd.h>
#include<string.h>
#include<stdlib.h>
#include<time.h>

#define NUM 103
#define Body '='
#define Head '>'

typedef void (*callback_t)(double);
//函数指针类型
void process();
//version 2
void process_flush(double rate);
